The document discusses several genres of music including pop, pop rock, and sad pop. Pop music originated in the 1950s from rock and roll and includes many genres like urban, dance, rock, and Latin music. Pop rock originated in the 1960s in the UK and US and features catchy pop styles with light lyrics and instruments like electric guitar and bass guitar. Sad pop music commonly uses sad lyrics and music to create depressing feelings in listeners, though it has become more varied recently. The genre aims to pump listeners through upbeat music and focuses on light, catchy lyrics that aren't always sad. Videos for sad pop often depict dark clothing, low lighting, sad facial expressions to seem depressing.